Gastroenterology Research, ISSN 1918-2805 print, 1918-2813 online, Open Access
Article copyright, the authors; Journal compilation copyright, Gastroenterol Res and Elmer Press Inc
Journal website

Case Report

Volume 15, Number 2, April 2022, pages 106-111

An Extremely Rare Case of Rectal Signet Ring Cell Carcinoma


Figure 1.
Figure 1. A colonoscopic image showing large circumferential ischemic, necrotic and friable areas in rectum.
Figure 2.
Figure 2. (a) Rectosigmoid biopsy (H&E, × 100) showing infiltrating malignant glands, poorly differentiated in the background of necrotic debris. (b) High power (H&E, × 400) image showing mucinous and signet ring features.
Figure 3.
Figure 3. A radial rectal endoscopic ultrasound image showing an irregular hypodense rectal mass (arrow) invading the muscularis propria.
Figure 4.
Figure 4. A radial rectal endoscopic ultrasound image showing two enlarged perirectal lymph nodes (arrows) with sizes approximately 15 and 11 mm.